Extraction of silver is achiver is achieved by initial complexation of the ore (Argentite) with X followed by reduction with Y. X and Y respectively a
Extraction of silver is achiver is achieved by initial complexation of the ore (Argentite) with X followed by reduction with Y. X and Y respectively are
A. `CN^(-)` and `Zn`
B. `CN^(-)` and `Cu`
C. `Cl^(-)` and `Zn`
D. `Br^(-)` and `Zn`
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Correct Answer - A
Complexation step
`Ag_(2)S+CN rarr [Ag(CN)_(2)]^(-)+S^(-2)`
`darr +Zn` Reduction step
`[Zn(CN)_(4)]^(-2)+Ag`
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